/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.util.xml.impl;

import com.intellij.util.Function;

import java.lang.reflect.Type;

/**
 * @author peter
 */
public class AddChildInvocation implements Invocation{
  private final CollectionChildDescriptionImpl myDescription;
  private final Type myType;
  private final Function<Object[],Integer> myIndexGetter;
  private final Function<Object[], Type> myClassGetter;

  public AddChildInvocation(final Function<Object[], Type> classGetter,
                            final Function<Object[], Integer> indexGetter,
                            final CollectionChildDescriptionImpl tagName,
                            final Type type) {
    myClassGetter = classGetter;
    myIndexGetter = indexGetter;
    myDescription = tagName;
    myType = type;
  }

  @Override
  public Object invoke(final DomInvocationHandler<?, ?> handler, final Object[] args) throws Throwable {
    return handler.addCollectionChild(myDescription, myClassGetter.fun(args), myIndexGetter.fun(args));
  }
}